Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy Tremec Clutch disc designed for use

Clutch disc designed for use with Ace 10-1/2" Performance Clutches

Rings can be removed or installed without fear of breakage

Adapter Fitting 6AN To 1/8"NPT Aluminum 45 Degree

It's available in 0W40

Manley Extreme Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy Tremec Clutch disc designed for useProduct Description: Exhaust Valve Extreme Duty 1. 880 in Head 0. 342 in Valve Stem 5. 522 in Long Stainless Big Block Chevy Sold Individually Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown